Bettiah vs Dewās
Side-by-side air quality comparison between Bettiah and Dewās.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Dewās averaged 98 — a 29-point (30%) gap, with Bettiah the more polluted and Dewās the cleaner of the two. On 744 days when both cities reported, Dewās was cleaner on 574 of them; the average daily gap was 90 AQI points.
Seasonality & days
Bettiah peaks in November, while Dewās peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Dewās was 0% Severe and 47.7% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Dewās 101 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Dewās has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Dewās hit AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Dewās spans 1 stations with a 0-point spread (min 106, max 106).